MIL-L-12606D (AMENDMENT-1), DETAIL SPECIFICATION: LOUDSPEAKER, PERMANENT MAGNET (UNENCASED, 3-INCH AND 4-INCH DIAMETER CONE, 2-WATT; FUNGUS-, AND IMMERSION-RESISTANT), TYPE LS-445/U, M12606-01, AND M12606-02 (15-FEB-1980) [S/S BY MIL-DTL-12606E]

MIL-L-12606D (AMENDMENT-1), DETAIL SPECIFICATION: LOUDSPEAKER, PERMANENT MAGNET (UNENCASED, 3-INCH AND 4-INCH DIAMETER CONE, 2-WATT; FUNGUS-, AND IMMERSION-RESISTANT), TYPE LS-445/U, M12606-01, AND M12606-02 (15-FEB-1980) [S/S BY MIL-DTL-12606E].